Access nasta.co.jp. 株式会社ナスタ

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

nasta.co.jp

762 ms

reset.css

310 ms

base.css

327 ms

layout.css

1188 ms

contents.css

1143 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 92% of them (61 requests) were addressed to the original Nasta.co.jp, 3% (2 requests) were made to Shutto.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Nasta.co.jp.

Content Size

2.4 MB

After Optimization

2.1 MB

In fact, the total size of Nasta.co.jp main page is 2.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 15.2 kB

Original 19.5 kB
After minification 17.2 kB
After compression 4.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 2.3 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.2 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 34.6 kB

Original 2.0 MB
After minification 2.0 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Nasta images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 146.2 kB

Original 216.1 kB
After minification 176.1 kB
After compression 69.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 146.2 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 75.8 kB

Original 89.1 kB
After minification 70.3 kB
After compression 13.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Nasta.co.jp needs all CSS files to be minified and compressed as it can save up to 75.8 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nasta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.